| Gretz-Armainvilliers to Krotoszyn | 679.62 mi (1,093.74 km) |
| Gretz-Armainvilliers to Kruszwica | 732.68 mi (1,179.14 km) |
| Gretz-Armainvilliers to Krynica | 823.96 mi (1,326.03 km) |
| Gretz-Armainvilliers to Krzeszowice | 763.67 mi (1,229.01 km) |
| Gretz-Armainvilliers to Kudowa-Zdroj | 615.25 mi (990.15 km) |
| Gretz-Armainvilliers to Kutno | 767.92 mi (1,235.85 km) |
| Gretz-Armainvilliers to Kwidzyn | 778.61 mi (1,253.05 km) |
| Gretz-Armainvilliers to Lancut | 878.93 mi (1,414.50 km) |
| Gretz-Armainvilliers to Lapy | 922.67 mi (1,484.89 km) |
| Gretz-Armainvilliers to Lask | 750.23 mi (1,207.39 km) |
| Gretz-Armainvilliers to Laziska Gorne | 729.01 mi (1,173.24 km) |
| Gretz-Armainvilliers to Lebork | 756.33 mi (1,217.20 km) |
| Gretz-Armainvilliers to Leczna | 908.74 mi (1,462.48 km) |
| Gretz-Armainvilliers to Leczyca | 758.50 mi (1,220.68 km) |
| Gretz-Armainvilliers to Legionowo | 833.00 mi (1,340.58 km) |
